/*
  cpgf Library
  Copyright (C) 2011 - 2013 Wang Qi http://www.cpgf.org/
  All rights reserved.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/


#ifndef __PANELCANVAS_H
#define __PANELCANVAS_H

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4996)
#endif

#include "cpgf/gcallbacklist.h"

#include "wx/glcanvas.h"

#include <vector>

class PanelCanvas : public wxGLCanvas
{
private:
	typedef wxGLCanvas super;
	typedef cpgf::GCallback<void (int, int)> CallbackType;
	typedef cpgf::GCallbackList<void (int, int)> CallbackListType;

public:
	explicit PanelCanvas(wxWindow * parent);
	~PanelCanvas();
	
	void addRender(const CallbackType & render);

private:
	void connectPanelEvents();
	void disconnectPanelEvents();

	void onPaint(wxPaintEvent & e);
	void onEraseBackground(wxEraseEvent & e);
	
	void doPaint();

private:
	wxGLContext * context;
	CallbackListType renderList;
};


#if defined(_MSC_VER)
#pragma warning(pop)
#endif

#endif
